Dentistry – Orthodontics – Including extra-oral force transmitting means
Patent
1986-09-22
1988-03-29
Peshock, Robert
Dentistry
Orthodontics
Including extra-oral force transmitting means
A61C 700
Patent
active
047340320
ABSTRACT:
A breakaway orthodontic traction appliance which applies traction to the teeth via tension devices comprising straps inserted in clasps having grippers for gripping the straps, the grippers opening up for pull-out of the straps from the clasps on pull on the straps exceeding a predetermined value.
REFERENCES:
patent: 3814087 (1974-06-01), Heikes
patent: 4215983 (1980-08-01), Frazier
Orthoband Company, Inc.
Peshock Robert
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